xworm | a6b304da706f65520019273d5f35dc9ede582febfe9e9a1d87c482eb46433256

Analysis

max time kernel
128s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2025, 08:20

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General

Target

0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe
Size

32KB
MD5

325adebdd9f8c27cbdb7a0f8674469f4
SHA1

aec054d040cf107f43b480e00c0a86ae4c7b5b76
SHA256

0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7
SHA512

137d81da8400a5c79d4eab0cef9e77d2403f71c4d89cbbc1cf7c880c1ca477abfc74380ecdbcd7620aa10137f201e406cd4c09ab4e5e671f999790c87b87a5d1
SSDEEP

768:JpOkcFeazzw/6QIu4RJg4/F7e1gXkMGsosihCxLiNADHAgN/9VOhl:DOdFBA/6Q4RJg4/F7e1rMTXDLi6LN9VU

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

g574h9hd9.loseyourip.com:1605

Mutex

IaHsONiXUch62bUa

Attributes

Install_directory
%AppData%
install_file
MicrosoftEdgeUpdateCore.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral4/files/0x000c0000000217a5-23.dat	family_xworm
behavioral4/memory/1900-32-0x0000000000BF0000-0x0000000000C02000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2188	powershell.exe
3384	powershell.exe
3924	powershell.exe
3172	powershell.exe
3824	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	MicrosoftEdgeUpdateCore.exe

Executes dropped EXE 4 IoCs

pid	Process
1900	MicrosoftEdgeUpdateCore.exe
4724	MicrosoftEdgeUpdateCore.exe
5016	MicrosoftEdgeUpdateCore.exe
384	MicrosoftEdgeUpdateCore.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpdateCore = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftEdgeUpdateCore.exe"	MicrosoftEdgeUpdateCore.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3384	powershell.exe
3384	powershell.exe
3924	powershell.exe
3924	powershell.exe
3172	powershell.exe
3172	powershell.exe
3824	powershell.exe
3824	powershell.exe
2188	powershell.exe
2188	powershell.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3384	powershell.exe
Token: SeDebugPrivilege	1900	MicrosoftEdgeUpdateCore.exe
Token: SeDebugPrivilege	3924	powershell.exe
Token: SeDebugPrivilege	3172	powershell.exe
Token: SeDebugPrivilege	3824	powershell.exe
Token: SeDebugPrivilege	2188	powershell.exe
Token: SeDebugPrivilege	1900	MicrosoftEdgeUpdateCore.exe
Token: SeDebugPrivilege	4724	MicrosoftEdgeUpdateCore.exe
Token: SeDebugPrivilege	5016	MicrosoftEdgeUpdateCore.exe
Token: SeDebugPrivilege	384	MicrosoftEdgeUpdateCore.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 3384	2344	0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe	111
PID 2344 wrote to memory of 3384	2344	0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe	111
PID 2344 wrote to memory of 1900	2344	0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe	93
PID 2344 wrote to memory of 1900	2344	0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe	93
PID 1900 wrote to memory of 3924	1900	MicrosoftEdgeUpdateCore.exe	96
PID 1900 wrote to memory of 3924	1900	MicrosoftEdgeUpdateCore.exe	96
PID 1900 wrote to memory of 3172	1900	MicrosoftEdgeUpdateCore.exe	98
PID 1900 wrote to memory of 3172	1900	MicrosoftEdgeUpdateCore.exe	98
PID 1900 wrote to memory of 3824	1900	MicrosoftEdgeUpdateCore.exe	101
PID 1900 wrote to memory of 3824	1900	MicrosoftEdgeUpdateCore.exe	101
PID 1900 wrote to memory of 2188	1900	MicrosoftEdgeUpdateCore.exe	103
PID 1900 wrote to memory of 2188	1900	MicrosoftEdgeUpdateCore.exe	103
PID 1900 wrote to memory of 4140	1900	MicrosoftEdgeUpdateCore.exe	105
PID 1900 wrote to memory of 4140	1900	MicrosoftEdgeUpdateCore.exe	105
PID 2640 wrote to memory of 4724	2640	cmd.exe	109
PID 2640 wrote to memory of 4724	2640	cmd.exe	109

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe
"C:\Users\Admin\AppData\Local\Temp\0e5e9991361cc4228bbb1f7c531379f52c2dd8e353af3f27b0d87a2c0d75b4e7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateCore.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3384
- C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateCore.exe
  "C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateCore.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateCore.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3924
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftEdgeUpdateCore.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3172
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3824
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftEdgeUpdateCore.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2188
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftEdgeUpdateCore" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4140

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
  C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4724

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
PID:3384

C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5016

C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdateCore.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:384

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\MicrosoftEdgeUpdateCore.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
991693ae1b09c8ed9370baaeeafc520a

SHA1
dbb9c226718fb76d9950f0e307232c53ffd0f9fc

SHA256
700adce5ca24ff9297a1f473642b4e39e980d94f847e6bd2edc66a23620d4ce5

SHA512
d321e4bf062443859ed2b7f007fc05657bb1fa277ddb09993e5edded25cd2d28dd6290c650d5759eb5aa32f3332b8285fca9ed2d8f784a40331a35b8eb8384b1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
34f595487e6bfd1d11c7de88ee50356a

SHA1
4caad088c15766cc0fa1f42009260e9a02f953bb

SHA256
0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

SHA512
10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateCore.exe

Filesize
46KB

MD5
2503793e2d46fa767edc9876cc37dc40

SHA1
fd0cebfa85c216438eab222bc8ce5d45274d176a

SHA256
c20f68bf306f02f68adc562a6b33cd2b9903ac9384bdb56a666c089b436239c8

SHA512
23879c2b7340310c4ae9a5e234160c3d3951f087a678fbb794a3d560978fa7d8d4a78057a2830c2e49182d191072bb41ef94a87d0b1b1677d54340d40af9ebeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yyxzltwd.1mw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1900-32-0x0000000000BF0000-0x0000000000C02000-memory.dmp

Filesize
72KB

Download
memory/2344-20-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/2344-0-0x00007FFF14EE3000-0x00007FFF14EE5000-memory.dmp

Filesize
8KB

Download
memory/2344-33-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/2344-1-0x0000000000DA0000-0x0000000000DAE000-memory.dmp

Filesize
56KB

Download
memory/3384-17-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/3384-14-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/3384-13-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/3384-12-0x00007FFF14EE0000-0x00007FFF159A1000-memory.dmp

Filesize
10.8MB

Download
memory/3384-9-0x0000028229450000-0x0000028229472000-memory.dmp

Filesize
136KB

Download